v3.26.1
Organization and Description of Business (Details) - segment
3 Months Ended 6 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Schedule of Organization and Description of Business [Line Items]    
Number of reportable segments 1 1
Direct Digital Holdings, LLC    
Schedule of Organization and Description of Business [Line Items]    
Percentage of ownership interest   100.00%
Percentage of economic voting interests   94.60%